Home / 509,088.72-702,501.44-294,242.70

Finding the Fourth Proportional to 509,088.72, 702,501.44 and 294,242.70

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Solution

The fourth proportional to 509,088.72, 702,501.44 and 294,242.70 is: 406,031.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,088.72 : 702,501.44 = 294,242.70 : x
  2. Step 2: Convert to fraction form
    509,088.72/702,501.44 = 294,242.70/x
  3. Step 3: Cross multiply
    509,088.72x = 702,501.44 × 294,242.70
  4. Step 4: Simplify right side
    509,088.72x = 206,705,920,459.49
  5. Step 5: Solve for x
    x = 206,705,920,459.49/509,088.72
  6. Step 6: Final answer
    x = 406,031.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.